Home / 6,395.05-8,829.23-4,381.87

Finding the Fourth Proportional to 6,395.05, 8,829.23 and 4,381.87

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Solution

The fourth proportional to 6,395.05, 8,829.23 and 4,381.87 is: 6,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.05 : 8,829.23 = 4,381.87 : x
  2. Step 2: Convert to fraction form
    6,395.05/8,829.23 = 4,381.87/x
  3. Step 3: Cross multiply
    6,395.05x = 8,829.23 × 4,381.87
  4. Step 4: Simplify right side
    6,395.05x = 38,688,516.15
  5. Step 5: Solve for x
    x = 38,688,516.15/6,395.05
  6. Step 6: Final answer
    x = 6,049.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.